boundary
- n. 边界；范围；分界线
考试真题
- Once you have worthy opponents, set some ground rules so everyone understands responsibilities and boundaries.
出自-2015年12月阅读原文
- Learn: Expand your boundaries.
出自-2010年12月阅读原文
- Esperanto is used internationally across language boundaries by at least 1 million people, particularly in specialized fields.
出自-2010年6月听力原文
- Today, professors routinely treat the progressive interpretation of history and progressive public policy as the proper subject of study while portraying conservative or classical liberal ideas —such as free markets, self-reliance—as falling outside the boundaries of routine, and sometimes legitimate, intellectual investigation.
出自-2014年考研阅读原文